The first idea the child must acquire is that of the difference between good and evil.

Real learning comes about when the competitive spirit has ceased.

He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.

Knowledge becomes evil if the aim be not virtuous.

My weapon is literature

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.

I am indebted to my father for living, but to my teacher for living well.

Learning never exhausts the mind.

If you're teaching today what you were teaching five years ago, either the field is dead or you are.

Just because I don't care doesn't mean I don't understand.

Industrialize or perish.

I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

Science is not only a disciple of reason but, also, one of romance and passion.

If the facts don't fit the theory, change the facts.

I do not know how to teach philosophy without becoming a disturber of the peace.

A cynic is a man who knows the price of everything, and the value of nothing.

Liberty without Learning is always in peril and Learning without Liberty is always in vain.

Courage, conviction and confidence.

Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.

A little knowledge that acts is worth infinitely more than much knowledge that is idle.